Home / 145,536,009.40-218,304,014.10-119,707,976.80

Finding the Fourth Proportional to 145,536,009.40, 218,304,014.10 and 119,707,976.80

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Solution

The fourth proportional to 145,536,009.40, 218,304,014.10 and 119,707,976.80 is: 179,561,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,536,009.40 : 218,304,014.10 = 119,707,976.80 : x
  2. Step 2: Convert to fraction form
    145,536,009.40/218,304,014.10 = 119,707,976.80/x
  3. Step 3: Cross multiply
    145,536,009.40x = 218,304,014.10 × 119,707,976.80
  4. Step 4: Simplify right side
    145,536,009.40x = 26,132,731,855,229,672
  5. Step 5: Solve for x
    x = 26,132,731,855,229,672/145,536,009.40
  6. Step 6: Final answer
    x = 179,561,965.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.